Hoisting apparatus



March 31, 1931. P CARROLL 1,798,456

HOISTING APPARATUS Filed Jan. 21.- 1928 2 Sheets-Sheet l ELUQJYIZJT'Samuel E. Carroll 59 din/2% W @2 9 Ma 3 931- s. P. CARROLL 1,798,456

HOISTING APPARATUS Filed Jan. 21, 1928 2 Sheets-Sheet 2 Patented Mar.31, 1931 UNlTE STTES ATENT OFFICE SAMUEL P. CARROLL, OF HAMMOND,INDIANA, ASSIGNOR, BY MES NE ASSIGNMENTS,

OF ONE-HALF TO PETER FRANTZ AND ONE-HALF 'I'O SAMUEL P. CARROLLI-IOISTING APPARATUS Application filed January 21, 1928. Serial No.248,383.

This invention relates to hoisting apparatus, and more particularly toapparatus of this kind for raising a horizontally disposed heavy bodyinto a more or less vertical position, by tilting said body on one edgethereof.

The object of the invention is to provlde a novel and improvedconstruction and arrangement whereby a hoisting apparatus of this kindis provided of simple and inexpensive construction and of such characterthat it can be safely used for gently tilting a slab of concrete, forexample, or other masonry, from the horizontal position in which it wasmade, into a more or less vertical position, such, for example, as theposition in which a slab of concrete or other masonry would oocupy inthe construction of a building.

It is also an object to provide certain details and features ofconstruction and combinations tending to increase the general efiiciencyand the desirability of a hoisting apparatus of this particularcharacter.

To the foregoing and other useful ends, the invention consists in thematters hereinafter set forth and claimed, and shown in the accompanyingdrawings, in which,-

Fig. 1 is a side elevation of a hoisting apparatus embodying theprinciples of the invention, showing the body of concrete or othermasonry or material in a horizontal position.

Fig. 2 is a similar view, showing the said body raised or tilted into avertical position.

Fig. 3 is a horizontal section on line 33 in Fig. 1.

Fig. 4 is a front elevation of said apparatus.

As thus illustrated, the invention comprises a lifting beam 1 disposedunder the cross beams 52, as shown, the opposite end portions of thelatter having yokes 3 provided at their lower ends with removable bolts4, as shown. The slab 5 of concrete, or other masonry or material, iscast or made with washers 6 therein, each washer having a threadedopening for the threaded end of an eye bolt 7, whereby the slab whenmade has the two eyes of the eye bolts exposed on the upper surfacethereof, near the edge of the slab which is to be uppermost when theslab is tilted into a vertical position. The bolts 4 are insertedthrough the eyes of the eye bolts 7, as shown, and the beam 1 has ahearing 8 on the other edge portion of the slab, as shown. The hoistingend of the beam 1 has a sheave 9 for engaging the hoisting cable 10,which has one end attached at 11 to the upper portion of the derrickbeam or mast 12, the latter having its upper end portion provided with asheave 13 for said cable, the latter then being brought down and woundupon the hand drunr 1 L suitably mounted on said derrick beam or mast.The lower end of the beam or mast 12 is suitably secured to a transversefoot beam 15 provided with a metal shoe 16 having a downturned lip 17for engaging the supporting member 18 which serves as a fulcrum uponwhich the derrick beam or mast tilts backward as the slab 5 is raised,drawings.

With this construction, and after the apparatus has'been connected tothe slab, as shown in Fig. 1, the rotation of the drum ldwill cause theslab to slowly and gently tilt upward about its lower edge 19, so thatthe slab itself assists in maintaining the equilibrium of the apparatusduring the raising of the slab into vertical position, as the hoistingbeam 1 does not at any time engage the door 20 upon which the slab 5 isdisposed in horizontal position. The slab can be made on this floor orsupport in horizontal position, with the washers 6 and eye bolts 7therein, and the apparatus can then be attached as shown in Fig. 1, andthe slab can then be tilted into the position which it will occupy inthe finish-edv building, if the slab is to be incorporated in thestructure of a house or other building.

After the slab or wall section 5 is in vertical position, the bolts 4can be removed, to disconnect the hoisting apparatus from the slab orwall section, and the eye bolts 7 can then be unscrewed from the washers6, and i the holes left by the removal of the eye bolts can then beplastered over or concealed in any desired manner.

It will be seen that as the slab 5 tilts upward, about its edge 19,

the hoisting beam as shown in Fig. 2 of the v or mast 12 tilts backwardon the corner of the supporting m mber 18. The beam 1 is prefer ,ly lvith plate which are bolted or otherwise secured to the sides of thebeam 1, to embrace the ht beam or mast 12, so that the latter 1 a guidefor the upwardly moving end portion of the beam 1, whereby the beam orast 12 may lean upon such guide during the gradual ra '"1g of the slab 5into a vertical position, the guide formed by the plates 21 slidingalong the under side of the inclined beam or mast 12, and the sheave 9rolling along this under side of the beam or mast 12, so that there isvery little friction and practically no resistance to overcome exceptthat oiiered by the weight of the earn 1 and the slab 5 while thehoisting operation is in progress. Of course, when the drum 14: isoperated, to pull the slab into a vertical position, the sheave 9 isrotated in a direction to cause it to roll along the under side of the tlting hoisting beam or mast 12, in a manner that will be readilyunderstood, the groove of the sheave being made deep enough so that thecable does not rub on the under side of the beam or mast 12 during suchoperation.

The apparatus is comparatively simple, and it is not so heavy but thatit can be fairly easily moved about, from one place to an other, to tiltsuccessive slabs into vertical position, so that the slabs will formsections of the walls of a house or other building.

V ithout disclaiming anything, and without prejudice to any noveltydisclosed, What I claim as my invention is:

1. Hoisting apparatus for tilting a more or less horizontally disposedbody into a more or less vertically disposed position, comprising aderrick beam or mast, a member for separable attachment to the saidbody, by placing the member on top of said body while the latter isresting iorizontally, a hoisting cable connecting the mast with saidmember, and means for operating said cable, thereby to tilt said bodyupwardly about its lower edge as a fulcrum, said mast having a lower endportion upon which the mast tilts backward and provisions whereby themast forms a guide along which the adjacent end portion of said membertravels upward until said body reaches the desired position, leavingsaid body in position for disconnection from said member.

2. A structure as specified in claim 1, said member being a beam adaptedto extend across the upper side of said body, and cross beams extendingtransversely of said member, together with attaching devices for theopposite end portions of said cross beams to detachably connect thecross beams to the upper side of said body near the edge thereof whichwill be uppermost when the body is tilted into an upright position.

3. A structure as specified in claim 1, said member having a sheave forengaging the underside of the inclined mast, and for engaging saidcable, the mast having an overhead sheave for also engaging said cable,the sheave on said member being rotated by the cable in a directioncausing this sheave to roll along the under side of the inclined mast.

4. A str icture as specified in claim 1, comprising eye bolts detachablyfixed in said body, bolts removably inserted through said eye bolts, andmeans to support said bolts on said member, the eye bolts beingremovable from said body after the latter is tilted into uprightposition.

5. A structure specified in claim 1, said member being disposed inposition to prevent it from touching the support upon which said body issupported during the tilting thereof into an upright position.

Specification signed this 17th day of January, 1928.

SAMUEL P. CARROLL.

